St. George Utah Electrician | Southern Utah Electrical Company

High Bay Fluorescent T-5 & T-8

highbayllightingHigh bay fluorescent lighting provide an inexpensive option for facilities in need of upgrading to more energy efficient sources. They offer a very appealing lighting alternative to maximize lighting ROI.

The longevity of these fixtures is about 50,000 hours for high bay fluorescent ballasts and around 20,000 hours for these lamp types. Although this is less than that of both LED type and induction features, they still beat the longevity of HID fixtures. They are much more energy efficient and require less maintenance than HID types.

High bay fixtures of T-5 and T-8 types have lighting outputs that can be compared as follows:

  • After completing the first year of its life of operation, the HID fixture and T-8 6-lamp high bay lighting have similar outputs.
  • About 20% more light is produced using T-5 6-lamp high bay lighting when compared to a metal Halide fixture of 400 watts. Yet, they both use the same amount of power. This helps to improve lighting output in a specified area without raising the cost of the electrical bill. These lighting sources also allow fewer fixtures to be needed in order to produce the exact same degree of light.


  • Warehouses
  • Retail
  • Manufacturing Facilities
  • Indoor Arena
  • Show Rooms
Type Lamp Watts Consumed Watts Warranty Expected Lamp Life
Traditional (HID) 400 455 3yr (avg) 20,000 hours
T-5 (6 lamp) High Bay 351 1 yr 20,000 hours
T-8 (6 lamp) High Bay Fluorescent 1 yr 20,000 hours


RMP efficient lighting incentive:

As a Rocky Mountain Trade Ally Hedgehog Electric is trained and equipped to take our customers from concept and design to installation according to the Rocky Mountain Power guidelines so as to make our customers eligible for the largest RMP incentives possible.

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